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<head>
    <meta charset="UTF-8">
    <title>window对象-C</title>
</head>
<body>
    <p>window对象-C</p>
    <a href="">下一个页面</a>
    <button onclick="history.back()">后退</button>
    <button onclick="history.forward()">前进</button>
</body>
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